140431234143 has 8 divisors (see below), whose sum is σ = 187338519088. Its totient is φ = 93572385984.

The previous prime is 140431234133. The next prime is 140431234169. The reversal of 140431234143 is 341432134041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140431234143 - 2¹³ = 140431225951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140431234143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140431234103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12102430 + ... + 12114027.

It is an arithmetic number, because the mean of its divisors is an integer number (23417314886).

Almost surely, 2^140431234143 is an apocalyptic number.

140431234143 is a deficient number, since it is larger than the sum of its proper divisors (46907284945).

140431234143 is a wasteful number, since it uses less digits than its factorization.

140431234143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24218393.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 140431234143 its reverse (341432134041), we get a palindrome (481863368184).

The spelling of 140431234143 in words is "one hundred forty billion, four hundred thirty-one million, two hundred thirty-four thousand, one hundred forty-three".